I have an Ubuntu installation with Unity and Gnome3.

When I log in using Unity, if the system is inactive for X minutes, the screen will dim.

When using Gnome3 the screen never dims.

Under Brightness & Lock I selected

  • Turn screen off when inative for -> 5 minutes
  • Lock -> is not activated.

Under Power I selected

  • Suspend when inactive for -> Don't suspend

protected by fossfreedom Jan 14 '14 at 14:55

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